mirror of https://gitee.com/antv-l7/antv-l7
85 lines
2.0 KiB
TypeScript
85 lines
2.0 KiB
TypeScript
// @ts-ignore
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import { ImageLayer, Scene } from '@antv/l7';
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import { GaodeMap, Mapbox } from '@antv/l7-maps';
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import * as React from 'react';
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export default class Amap2demo_imageLayer extends React.Component {
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// @ts-ignore
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private scene: Scene;
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public componentWillUnmount() {
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this.scene.destroy();
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}
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public async componentDidMount() {
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const scene = new Scene({
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id: 'map',
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map: new GaodeMap({
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center: [121.268, 30.3628],
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pitch: 0,
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style: 'normal',
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zoom: 10,
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viewMode: '3D',
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}),
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});
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this.scene = scene;
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scene.on('loaded', () => {
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const layer = new ImageLayer({});
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layer
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.source(
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// 'https://gw.alipayobjects.com/zos/rmsportal/FnHFeFklTzKDdUESRNDv.jpg',
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'https://gw.alipayobjects.com/mdn/rms_816329/afts/img/A*Al3JR5Hdg0cAAAAAAAAAAAAAARQnAQ',
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{
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parser: {
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type: 'image',
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extent: [121.168, 30.2828, 121.384, 30.4219],
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},
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},
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)
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.shape('dataImage')
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.style({
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// clampLow: false,
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// clampHigh: false,
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// opacity: 0.8,
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domain: [0, 8000],
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rampColors: {
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colors: [
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'#FF4818',
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'#F7B74A',
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'#FFF598',
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'#91EABC',
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'#2EA9A1',
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'#206C7C',
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].reverse(),
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positions: [0, 0.2, 0.4, 0.6, 0.8, 1.0],
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},
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// float value = u_pixelConstant + ((r * u_pixelConstantR + g * u_pixelConstantG + b * u_pixelConstantB) * u_pixelConstantRGB);
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pixelConstant: 0.0,
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pixelConstantR: 256 * 256,
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pixelConstantG: 256,
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pixelConstantB: 1,
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pixelConstantRGB: 0.1,
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});
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scene.addLayer(layer);
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});
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}
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public render() {
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return (
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<>
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<div
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id="map"
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style={{
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position: 'absolute',
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top: 0,
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left: 0,
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right: 0,
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bottom: 0,
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}}
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/>
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</>
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);
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}
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}
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